FrostDateCheck

Westbury, NY 11549 Frost Dates

When can you plant in Westbury, NY?

Zone 7b

Typically, the last spring freeze lands around 04/02, roughly 217 days out. The first fall frost typically arrives around 11/12, about 224 frost-free days later.

Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Westbury, not a forecast for this year.

What to do before the first frost

About 11 weeks of growing season left in Westbury before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/16 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Westbury compares

Westbury's growing season runs about 224 days, ranking 11,769 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 149 of 1,951.

Learn more

the frost range covers how to read the range around Westbury's dates instead of trusting one. local microclimates covers what one yard in Westbury can differ from the 11549 normal.